4v20

X-ray diffraction
1.5Å resolution

The 3-D structure of the cellobiohydrolase, Cel7A, from Aspergillus fumigatus, disaccharide complex

Released:

Function and Biology Details

Reaction catalysed:
Hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose and cellotetraose, releasing cellobiose from the non-reducing ends of the chains
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-175832 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Probable 1,4-beta-D-glucan cellobiohydrolase B Chain: A
Molecule details ›
Chain: A
Length: 440 amino acids
Theoretical weight: 47.14 KDa
Source organism: Aspergillus fumigatus
Expression system: Aspergillus oryzae
UniProt:
  • Canonical: Q4WM08 (Residues: 27-466; Coverage: 87%)
Gene names: AFUA_6G11610, cbhB
Sequence domains: Glycosyl hydrolase family 7
Structure domains: Glycoside hydrolase, family 7, domain

Ligands and Environments

Carbohydrate polymer : NEW Components: SHG, BGC
3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P21212
Unit cell:
a: 79.56Å b: 130.78Å c: 46.12Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.133 0.132 0.158
Expression system: Aspergillus oryzae